1. Introduction
Welcome to the world of Nespresso. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Nespresso Lattissima Touch EN550B Espresso Machine by De'Longhi. This automatic cappuccino system, combined with Nespresso Original espresso capsules, offers a simple, one-touch method for creating authentic espresso and milk-based beverages.
2. Safety Instructions
- Read all instructions before using the appliance.
- Do not immerse the appliance, power cord, or plug in water or other liquids.
- Keep the appliance out of reach of children.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Avoid contact with hot surfaces. Use handles or knobs.
- Always unplug the appliance when not in use and before cleaning.
- Use only Nespresso Original capsules.
3. Product Overview
The Nespresso Lattissima Touch EN550B is designed for convenience and quality, featuring a compact design and intuitive controls.

Figure 1: Overall view of the Nespresso Lattissima Touch EN550B Espresso Machine.
Key Components:
- Main Unit: Houses the brewing system and control panel.
- Water Reservoir: Removable tank for water, capacity of 1 liter.
- Milk Carafe: Integrated system for frothing and dispensing milk.
- Drip Tray: Collects excess liquid and supports cups.
- Used Capsule Container: Stores used Nespresso capsules.
- Control Panel: Features 6 tactile pre-programmed beverage buttons.

Figure 2: Nespresso Lattissima Touch EN550B showing the milk frother and control panel.
4. Setup
- Unpacking: Carefully remove the machine from its packaging. Remove all protective films and stickers.
- Initial Cleaning: Wash the water reservoir, milk carafe, drip tray, and used capsule container with warm water and mild detergent. Rinse thoroughly and dry.
- Assemble: Place the drip tray and used capsule container into their respective positions. Attach the water reservoir to the back of the machine.
- Fill Water Reservoir: Fill the water reservoir with fresh drinking water.
- Plug In: Connect the power cord to a grounded electrical outlet.
- First Use / Priming: Turn on the machine. The lights will blink as the machine heats up. Once the lights stop blinking, the machine is ready. Run a cycle without a capsule to prime the system and rinse internal components.
5. Operating Instructions
5.1 Making Espresso or Lungo
- Ensure the water reservoir is filled.
- Place a cup on the drip tray.
- Lift the lever and insert a Nespresso Original capsule. Close the lever.
- Press either the 'Espresso' or 'Lungo' button on the control panel. The machine will automatically brew the selected beverage.
5.2 Making Milk-Based Beverages (Cappuccino, Latte Macchiato, Hot Milk)
- Fill the milk carafe with fresh milk up to the desired level (min/max indicators are present).
- Attach the milk carafe to the machine. Ensure it is securely in place.
- Position the milk spout over your cup.
- Insert a Nespresso Original capsule (if making a coffee beverage).
- Select your desired milk-based beverage button (e.g., 'Cappuccino', 'Latte Macchiato', 'Hot Milk'). The machine will automatically froth and dispense milk, followed by the espresso (if selected).
Video 1: Official product demonstration of the De'Longhi EN550 Lattissima Touch, showcasing its features and ease of use for preparing coffee and milk-based drinks.
5.3 Customizing Beverage Volume
The machine features programmable buttons. To customize the volume for Espresso, Lungo, or milk-based drinks, press and hold the desired beverage button until the desired volume is reached. The machine will remember this setting for future use.
6. Maintenance
6.1 Daily Cleaning
- Milk Carafe: After each milk preparation, detach the milk carafe and disassemble its components. Wash all parts with warm water and mild detergent or place them in the dishwasher.
- Used Capsule Container: Empty and rinse the used capsule container daily.
- Drip Tray: Empty and clean the drip tray daily.
- Exterior: Wipe the machine exterior with a soft, damp cloth.
6.2 Descaling
Descaling is crucial for maintaining your machine's performance and coffee quality. The machine will indicate when descaling is needed (refer to your full user manual for specific indicator lights). Use only the Nespresso descaling kit and follow the instructions provided with the kit.
6.3 Water Reservoir Cleaning
Clean the water reservoir regularly with warm water and mild detergent. Rinse thoroughly to prevent any residue from affecting water quality.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No coffee flow | Water reservoir empty; machine not primed; descaling needed. | Fill water reservoir; prime the machine; descale the machine. |
| No milk foam or poor quality foam | Milk carafe dirty; milk type/temperature unsuitable; milk spout blocked. | Clean milk carafe thoroughly; use cold, fresh milk (dairy or plant-based suitable for frothing); check milk spout for blockages. |
| Lights blinking continuously | Machine heating up; descaling needed; error. | Wait for lights to become steady; perform descaling; consult full manual for specific error codes. |
8. Specifications
- Brand: Nespresso
- Model Name: Lattissima Touch
- Item Model Number: EN550B
- Manufacturer: De'Longhi
- Color: Black
- Product Dimensions: 6.8 x 12.6 x 10.1 inches
- Item Weight: 9.9 pounds
- Water Reservoir Capacity: 1 Liter
- Pressure: 19 bars
- Operation Mode: Fully Automatic
- Special Feature: Milk Frother, Programmable
- Auto-Off Timer: Energy-saving programmable auto-off timer.
9. Warranty and Support
For warranty information, product registration, or further assistance, please refer to the warranty card included with your product or visit the official Nespresso or De'Longhi website. You may also contact customer support directly for service and parts inquiries.





